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    • 1. 发明申请
    • WELDING CONTROL APPARATUS AND METHOD
    • 焊接控制装置和方法
    • US20090242533A1
    • 2009-10-01
    • US12364739
    • 2009-02-03
    • Kei YAMAZAKIKeiichi SuzukiEiji Sato
    • Kei YAMAZAKIKeiichi SuzukiEiji Sato
    • B23K9/10
    • B23K9/0953B23K9/0732B23K9/092B23K9/0956
    • The present invention provides a welding control apparatus including: a droplet separation detecting unit that detects separation of a droplet from a tip end of welding wire; and a waveform generator that alternately generates a first pulse for separating the droplet and a second pulse for shaping the droplet and outputs the generated pulse to a welding power source, the waveform generator generating a third pulse having a pulse shape different in a pulse peak current and/or a pulse width from the second pulse to output the generated third pulse to the welding pulse source after a base time of the first pulse if separation of the droplet is not detected within a peak period, a falling slope period, or a base period of the first pulse to thereby restore a droplet supply regularity.
    • 本发明提供一种焊接控制装置,包括:液滴分离检测单元,其检测熔滴与焊丝的前端的分离; 以及波形发生器,其交替地产生用于分离液滴的第一脉冲和用于成形液滴的第二脉冲,并将所生成的脉冲输出到焊接电源,所述波形发生器生成具有脉冲峰值电流不同的脉冲形状的第三脉冲 和/或来自第二脉冲的脉冲宽度,以在第一脉冲的基准时间之后将所产生的第三脉冲输出到焊接脉冲源,如果在峰值期间,下降斜率周期或基极内未检测到液滴的分离 从而恢复液滴供应的规律性。
    • 2. 发明授权
    • Welding control apparatus and method
    • 焊接控制装置及方法
    • US08153933B2
    • 2012-04-10
    • US12364739
    • 2009-02-03
    • Kei YamazakiKeiichi SuzukiEiji Sato
    • Kei YamazakiKeiichi SuzukiEiji Sato
    • B23K9/10B23K33/00B23K35/00
    • B23K9/0953B23K9/0732B23K9/092B23K9/0956
    • The present invention provides a welding control apparatus including: a droplet separation detecting unit that detects separation of a droplet from a tip end of welding wire; and a waveform generator that alternately generates a first pulse for separating the droplet and a second pulse for shaping the droplet and outputs the generated pulse to a welding power source, the waveform generator generating a third pulse having a pulse shape different in a pulse peak current and/or a pulse width from the second pulse to output the generated third pulse to the welding pulse source after a base time of the first pulse if separation of the droplet is not detected within a peak period, a falling slope period, or a base period of the first pulse to thereby restore a droplet supply regularity.
    • 本发明提供一种焊接控制装置,包括:液滴分离检测单元,其检测熔滴与焊丝的前端的分离; 以及波形发生器,其交替地产生用于分离液滴的第一脉冲和用于成形液滴的第二脉冲,并将所生成的脉冲输出到焊接电源,所述波形发生器生成具有脉冲峰值电流不同的脉冲形状的第三脉冲 和/或来自第二脉冲的脉冲宽度,以在第一脉冲的基准时间之后将所产生的第三脉冲输出到焊接脉冲源,如果在峰值期间,下降斜率周期或基极内未检测到液滴的分离 从而恢复液滴供应的规律性。
    • 4. 发明申请
    • WELDING CONTROL APPARATUS FOR PULSE ARC WELDING OF CONSUMED ELECTRODE TYPE, ARC LENGTH CONTROL METHOD FOR USE WITH THE SAME, AND WELDING SYSTEM INCLUDING THE WELDING CONTROL APPARATUS
    • 用于消费电极类型的脉冲电弧焊接的焊接控制装置,与其一起使用的弧长控制方法以及包括焊接控制装置的焊接系统
    • US20100200553A1
    • 2010-08-12
    • US12684314
    • 2010-01-08
    • Kei YAMAZAKIKeiichi SuzukiMasahiro HonmaEiji Sato
    • Kei YAMAZAKIKeiichi SuzukiMasahiro HonmaEiji Sato
    • B23K9/10
    • B23K9/092B23K9/073B23K9/0953B23K9/0956B23K9/173
    • A welding control apparatus according to the present invention includes an integrator for starting calculation of a voltage error integral value Sv2, expressed by a formula (1) given below, from a time when a first pulse period ends and a second pulse period starts in a pulse cycle, based on various data of information regarding a gradient Ks of an external characteristic of a welding power supply and a welding current setting value Is2 and a welding voltage setting value Vs2 both in a second pulse period, which are preset as parameters in the formula (1), as well as on an instantaneous value Io2 of a welding current and an instantaneous value Vo2 of a welding voltage both detected in the second pulse period, a comparator for comparatively determining whether a value of the voltage error integral value Sv2 provided as the calculation result has become 0, and a waveform generator for, per pulse cycle, terminating the relevant pulse cycle and starting a next pulse cycle at a time when the value of the voltage error integral value Sv2 has become 0, whereby a variation in an arc length caused by disturbances is precisely suppressed in pulse arc welding of consumed electrode type: Sv2=∫{Ks(Io2−Is2)+Vs2−Vo2}dt  (1)
    • 根据本发明的焊接控制装置包括积分器,用于从第一脉冲期间结束时开始第二脉冲期间开始计算电压误差积分值Sv2,由下面给出的公式(1)表示, 基于关于焊接电源的外部特性的梯度Ks和焊接电流设定值Is2以及焊接电压设定值Vs2的信息的各种数据,在第二脉冲期间,作为参数被预先设定 公式(1),以及在第二脉冲周期中检测到的焊接电流的瞬时值Io2和焊接电压的瞬时值Vo2,比较器,用于相对确定是否提供电压误差积分值Sv2的值 当计算结果为0时,以及每个脉冲周期的波形发生器终止相关的脉冲周期,并在下一个脉冲周期开始下一个脉冲周期 电压误差积分值Sv2的e值变为0,从而在消耗电极类型的脉冲电弧焊中精确地抑制由干扰引起的电弧长度的变化:Sv2 =∫{Ks(Io2-Is2)+ Vs2-Vo2} dt(1)
    • 6. 发明授权
    • Pulsed arc welding method
    • 脉冲电弧焊法
    • US08816250B2
    • 2014-08-26
    • US11670648
    • 2007-02-02
    • Fusaki KoshiishiKeiichi SuzukiKei YamazakiMasahiro Honma
    • Fusaki KoshiishiKeiichi SuzukiKei YamazakiMasahiro Honma
    • B23K9/10B23K9/173B23K9/095B23K9/09
    • B23K9/092B23K9/095B23K9/173
    • A pulsed arc welding method using carbon dioxide gas alone or a mixed gas made mainly of carbon dioxide gas as a shield gas, provides a pulse current of alternately repeating first and second pulses as a weld current. The first pulse and the second pulse have a pulse waveform of a different pulse peak current level and a different pulse width, respectively, and the following conditions are satisfied: peak current of the first pulse (Ip1)=300 to 700 A; peak period (Tp1)=0.3 to 5.0 ms; base current Ib1=30 to 200 A, base period (Tb1)=0.3 to 10 ms; peak current of the second pulse (Ip2)=200 to 600 A; peak period (Tp2)=1.0 to 15 ms; base current (Ib2)=30 to 200 A; and base period (Tb2)=3.0 to 20 ms.
    • 使用二氧化碳气体或主要由二氧化碳气体形成的混合气体作为保护气体的脉冲电弧焊接方式,作为焊接电流提供交替重复的第一和第二脉冲的脉冲电流。 第一脉冲和第二脉冲具有分别具有不同脉冲峰值电流电平和不同脉冲宽度的脉冲波形,满足以下条件:第一脉冲(Ip1)的峰值电流= 300〜700A; 峰值期间(Tp1)= 0.3〜5.0ms; 基极电流Ib1 = 30〜200A,基极周期(Tb1)= 0.3〜10ms; 第二脉冲的峰值电流(Ip2)= 200〜600A; 峰值期间(Tp2)= 1.0〜15ms; 基极电流(Ib2)= 30〜200A; 基期(Tb2)= 3.0〜20ms。
    • 7. 发明申请
    • PULSED ARC WELDING METHOD
    • 脉冲焊接方法
    • US20070210048A1
    • 2007-09-13
    • US11670648
    • 2007-02-02
    • Fusaki KoshiishiKeiichi SuzukiKei YamazakiMasahiro Honma
    • Fusaki KoshiishiKeiichi SuzukiKei YamazakiMasahiro Honma
    • B23K9/09
    • B23K9/092B23K9/095B23K9/173
    • Disclosed is a pulsed arc welding method using a pulse current of alternately repeating first and second pulses as a weld current, wherein the first pulse and the second pulse have a pulse waveform of a different pulse peak current level and a different pulse width, respectively, and the following conditions are satisfied: peak current of the first pulse (Ip1)=300 to 700A; peak period (Tp1)=0.3 to 5.0 ms; base current Ib1=30 to 200A, base period (Tb1)=0.3 to 10 ms; peak current of the second pulse (Ip2)=200 to 600A; peak period (Tp2)=1.0 to 15 ms; base current (Ib2)=30 to 200A; and base period (Tb2)=3.0 to 20 ms. In this manner, the consumable electrode arc welding using carbon dioxide gas alone or a mixed gas made mainly of carbon dioxide gas as a shield gas can benefit from stabilized welding arc, improved regularity of droplet transfer, and significantly reduced generation rates of spatters and fumes.
    • 公开了一种使用交替重复第一和第二脉冲的脉冲电流作为焊接电流的脉冲电弧焊接方法,其中第一脉冲和第二脉冲具有分别具有不同脉冲峰值电流电平和不同脉冲宽度的脉冲波形, 满足以下条件:第一脉冲的峰值电流(I< p1)= 300〜700A; 峰值期间(T 1 p 1)= 0.3〜5.0ms; 基极电流I 1 = 30〜200A,基极周期(T b1 b 1)= 0.3〜10ms; 第二脉冲的峰值电流(I 2 p 2)= 200〜600A; 峰值期间(T 2 p 2)= 1.0〜15ms; 基极电流(I B 2/2)= 30〜200A; 和基本周期(T B b 2)= 3.0〜20ms。 以这种方式,仅使用二氧化碳气体的消耗电极电弧焊或主要由二氧化碳气体形成的保护气体的混合气体可以受益于稳定的焊接电弧,改善液滴转移的规则性,并且显着降低飞溅和烟雾的产生速率 。
    • 8. 发明申请
    • PULSED ARC WELDING METHOD
    • 脉冲焊接方法
    • US20070102409A1
    • 2007-05-10
    • US11470949
    • 2006-09-07
    • Fusaki KoshiishiKeiichi SuzukiKei YamazakiMasahiro Honma
    • Fusaki KoshiishiKeiichi SuzukiKei YamazakiMasahiro Honma
    • B23K9/09
    • B23K9/092
    • In a pulsed arc welding method of the invention, a shield gas made mainly of carbon dioxide gas is used, and a low frequency pulse of 30 to 100 Hz is continuously generated, on which a high frequency pulse with a pulse frequency of 500 to 2000 Hz is superimposed. In this case, the welding current is determined such that an average peak current IPavg is at 300 to 700 A, an average base time Tb is at 5 to 30 ms, a current amplitude IP-a at a peak time of a high frequency pulse is at 50 to 600 A, and a current amplitude IPb at a base time of a high frequency pulse is at 20 to 200 A. This method ensures a reduced degree of biasing of a drop and an arc, for which the size, release time and release direction of a drop are kept substantially completely constant, and can achieve drop transfer wherein regularity of one pulse group-one drop transfer is very high. Hence, spatter and fume generation rates can be remarkably reduced.
    • 在本发明的脉冲电弧焊接方法中,使用主要由二氧化碳气体形成的保护气体,连续产生30〜100Hz的低频脉冲,脉冲频率为500〜2000的高频脉冲 Hz叠加。 在这种情况下,确定焊接电流,使得平均峰值电流IP平均值为300〜700A,平均基准时间T b1为5〜30ms 在高频脉冲的峰值时刻的电流幅度IP-SUB> a <50>为50〜600A,基波时的电流振幅IP 频率脉冲在20至200A。这种方法确保了液滴和电弧的偏置偏移程度,液滴的尺寸,释放时间和释放方向保持基本上完全不变,并且可以实现液滴转印,其中规则性 一个脉冲组 - 一滴转印非常高。 因此,飞溅和烟雾发生率可以显着降低。